The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

Section 57.—PIPES AND CONVEYORS.

(See also [p. 128].)

[2338]. Boiler tube, internally ribbed. Serve’s patent.

[2339]. Boiler tube flue, corrugated, to add to its strength and heating surface. Fox’s patent.

[2340]. Pipe joint, with toggle clips.

[2341]. Pipe flange, with caulking groove.

Flexible tubes, metallic, are now manufactured by the Flexible Metallic Tubing Co. in most metals, including steel, and in various strengths and with various degrees of flexibility, from that of plain rubber to such stiffness as requires a little force to bend it. These tubes are perfectly air-tight, and will stand great pressures.

Wire rope transmission; Telpher gear. See [Section 66].

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